Electroencephalogram signal amplification device



FIG. 1 is a perspective view of an electroencephalogram signal amplification device with an adaptor unit attached to a top surface of the electronic device.

FIG. 2 is a front view of the electronic device of FIG. 1.

FIG. 3 is a rear view of the electronic device of FIG. 1.

FIG. 4 is a left side view of the electronic device of FIG. 1.

FIG. 5 is a right side view of the electronic device of FIG. 1.

FIG. 6 is a top view of the electronic device of FIG. 1.

FIG. 7 is a bottom view of the electronic device of FIG. 1.

FIG. 8 is a perspective view of the electronic device without the adaptor unit (shown in FIGS. 1-7) attached.

FIG. 9 is a front view of the electronic device of FIG. 8 without the adaptor unit.

FIG. 10 is a rear view of the electronic device of FIG. 8 without the adaptor unit.

FIG. 11 is a left side view of the electronic device of FIG. 8 without the adaptor unit.

FIG. 12 is a right side view of the electronic device embodiment of FIG. 8 without the adaptor unit.

FIG. 13 is a top view of the electronic device of FIG. 8 without the adaptor unit; and,

FIG. 14 is a bottom view of the electronic device of FIG. 8 without the adaptor unit.

The broken lines in each figure illustrate features that form no part of the claimed design. The adaptor unit shown in (FIGS. 1-7) is represented in broken lines and forms no part of the claimed design. 

CLAIM The ornamental design for an electroencephalogram signal amplification device, substantially as shown and described. 